Extended Stem Ball Valve, ASTM A350 LF2, 14 Inch, 150 LB, RF

Key Specifications / Features

Model No.: JSC-240409-TMBV-01
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Presenting our extended stem ball valve crafted from ASTM A350 LF2 forged carbon steel, designed to API 6D standards. With a size of 14 inches (DN350) and a pressure rating of Class 150 LB (PN20), this trunnion-type valve ensures reliable performance in demanding applications. Featuring a 3-piece construction and RF ends, it offers robustness and versatility for various industrial needs.
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Detail Information

3PC Extended Stem Forged Steel Trunnion Ball Valve

Valve description: Ball valve, trunnion type, soft seat, double block and bleed, DBB, bolted bonnet, three pieces, forged carbon steel, extended stem, cryogenic ball valve

Body material: ASTM A350 LF2
Ball material: ASTM A182 F304
Nominal diameter: 14 Inch (DN350)
Nominal class: Class 150 LB (PN20)
End connection: RF
Standard: API 6D
Face to face: ASME B16.10
Test and inspection: API 598
Mode of operation: Gear operation

Forged Steel Trunnion Ball Valve is usually built by 3-piece body, suitable for various kinds of pipelines. With pressure rating range of Class 150 - 4500 LB, PN16-PN720, JIS 5K - JIS 40K, Forged Steel Trunnion Ball Valve is used to cut off or turn on the pipeline medium, and can be operated by worm gear, manual, pneumatic actuator, electric driver. The connection type includes RF Flange, RTJ Flange, Butt welding, Grayloc, etc.


Size Range: 2 Inch - 48 Inch (DN50-DN1200)
Pressure Range: Class 150 LB – 2500 LB (PN16-PN420)


Design / Manufacture: API 6D, ASME B16.34, DIN 3357, EN 13709, GB/T 12237, BS 5351, JIS B 2071
Face to Face Length (Dimension): MFG, API 6D, ASME B16.10, EN 558-1, DIN 3202, JIS B 2002
Flanged Dimension: ASME B16.5, EN 1092-1, BS 4504, DIN 2501
Flanged to ASME B16.5 (2 Inch-24 Inch) and ASME B16.47 Series A / B (26 Inch and above) Clamp / Hub ends on request.
Butt Welding Ends: ASME B16.25, EN 12982, GB/T 12224
Testing: API 598, API 6D, EN 12266-1, EN 1074-1, ISO 5208, DIN 2401, JIS B 2003.


Split body, forged steel, side entry design.
3-piece bolted construction permits disassembly in the field for repairs
Stem separated from the ball, no side load on the stem
Tight shut-off sealing mechanism
Explosive decompression-resistant seal
3 Mil Nickel plating for trim parts (Ball, Seat Ring)
Trunnion mounted ball for ease of operation at high pressure (Post and Plate designs)
Double Block & Bleed Capability
Fire Safe Design
Multiple Stem Sealing
Double Isolation & Bleed (DIB) Design Available
Valve cavity pressure relief (SPE Seats)
Built-in sealant injection system for emergency seat & stem seal
Anti-provision Design
Anti-Static Device
Back-seated blowout proof stem
RPTFE, DEVLON, PEEK standard Plastic seat inserts
Acid Gas and High H2S/CO2 applications
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